Out-of-bounds read in QEMU - CVE-2020-13791

 

Out-of-bounds read in QEMU - CVE-2020-13791

Published: July 24, 2020


Vulnerability identifier: #VU31807
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-13791
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: QEMU
Affected software:
QEMU

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in hw/pci/pci.c. A local user on the guest operating system can trigger out-of-bounds read error by providing an address near the end of the PCI configuration space and read contents of memory on the system.


How to mitigate CVE-2020-13791

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources